Plug adaptor



FIG. 1 is a front elevational view of a plug adaptor.

FIG. 2 is a rear elevational view of the plug adaptor.

FIG. 3 is a top plan view of the plug adaptor.

FIG. 4 is a bottom plan view of the plug adaptor.

FIG. 5 is a left-side elevational view of the plug adaptor.

FIG. 6 is a right-side elevational view of the plug adaptor; and,

FIG. 7 is a perspective view of the plug adaptor.

The broken lines in the drawings are for the purpose of illustratingenvironmental subject matter that forms no part of the claimed design.

CLAIM The ornamental design for a plug adaptor, as shown and described.